<template>
  <ContentWrap :bodyStyle="{ padding: '10px 20px 0' }" class="position-relative">
    <div class="processInstance-wrap-main">
      <el-scrollbar>
        <img
          class="position-absolute right-20px"
          width="150"
          :src="auditIconsMap[processInstance.status]"
          alt=""
        />
        <div class="text-#878c93 h-15px">编号：{{ id }}</div>
        <el-divider class="!my-8px" />
        <div class="flex items-center gap-5 mb-10px h-40px">
          <div class="text-26px font-bold mb-5px">{{ processInstance.name }}</div>
          <dict-tag
            v-if="processInstance.status"
            :options="bpm_process_instance_status"
            :value="processInstance.status"
          />
        </div>

        <div class="flex items-center gap-5 mb-10px text-13px h-35px">
          <div
            class="bg-gray-100 h-35px rounded-3xl flex items-center p-8px gap-2 dark:color-gray-600"
          >
            <el-avatar
              :size="28"
              v-if="processInstance?.startUser?.avatar"
              :src="s_file_url(processInstance?.startUser?.avatar)"
            />
            <el-avatar :size="28" v-else-if="processInstance?.startUser?.nickname">
              {{ processInstance?.startUser?.nickname.substring(0, 1) }}
            </el-avatar>
            {{ processInstance?.startUser?.nickname }}
          </div>
          <div class="text-#878c93"> {{ processInstance.startTime }} 提交</div>
        </div>

        <el-tabs v-model="activeTab">
          <!-- 表单信息 -->
          <el-tab-pane label="审批详情" name="form">
            <div class="form-scroll-area">
              <el-scrollbar>
                <el-row>
                  <el-col :span="15" class="!flex !flex-col formCol">
                    <!-- 表单信息 -->
                    <div
                      v-loading="processInstanceLoading"
                      class="form-box flex flex-col mb-30px flex-1"
                    >
                      <!-- 情况一：流程表单 -->
                      <el-col v-if="processDefinition?.formType === BpmModelFormTypeEnum.Normal">
                        <form-create
                          v-model="detailForm.value"
                          v-model:api="fApi"
                          :option="detailForm.option"
                          :rule="detailForm.rule"
                        />
                      </el-col>
                      <!-- 情况二：业务表单 -->
                      <div v-if="processDefinition?.formType === BpmModelFormTypeEnum.Custom">
                        <BusinessFormComponent :id="processInstance.businessKey" />
                      </div>
                    </div>
                  </el-col>
                  <el-col :span="6" :offset="3">
                    <!-- 审批记录时间线 -->
                    <ProcessInstanceTimeline :activity-nodes="activityNodes" />
                  </el-col>
                </el-row>
              </el-scrollbar>
            </div>
          </el-tab-pane>

          <!-- 流程图 -->
          <el-tab-pane label="流程图" name="diagram">
            <div class="form-scroll-area">
              <ProcessInstanceBpmnViewer
                v-show="processDefinition.type === BpmModelTypeEnum.Bpmn"
                :loading="processInstanceLoading"
                :model-view="processModelView"
              />
            </div>
          </el-tab-pane>

          <!-- 流转记录 -->
          <el-tab-pane label="流转记录" name="record">
            <div class="form-scroll-area">
              <el-scrollbar>
                <ProcessInstanceTaskList :loading="processInstanceLoading" :id="id" />
              </el-scrollbar>
            </div>
          </el-tab-pane>

          <!--          todo-->
        </el-tabs>

        <div class="b-t-solid border-t-1px border-[var(--el-border-color)]">
          <!-- 操作栏按钮 -->
          <ProcessInstanceOperationButton
            ref="operationButtonRef"
            :process-instance="processInstance"
            :process-definition="processDefinition"
            :userOptions="userOptions"
            :normal-form="detailForm"
            :normal-form-api="fApi"
            :writable-fields="writableFields"
            @success="refresh"
          />
        </div>
      </el-scrollbar>
    </div>
  </ContentWrap>
</template>

<script setup lang="ts">
import { ProcessDefinitionInfoVO } from '@/api/bpm/process_definition'
import {
  ApprovalDetail,
  ApprovalNodeInfo,
  ProcessInstanceApi,
  ProcessInstanceVO
} from '@/api/bpm/process_instance'
import * as StaffApi from '@/api/system/staff'
import type { Api } from '@form-create/element-ui'
import runningSvg from '@/assets/svgs/bpm/running.svg'
import approveSvg from '@/assets/svgs/bpm/approve.svg'
import rejectSvg from '@/assets/svgs/bpm/reject.svg'
import cancelSvg from '@/assets/svgs/bpm/cancel.svg'
import { BpmModelFormTypeEnum, BpmModelTypeEnum, TaskStatusEnum } from '@/utils/constants'
import { DICT_TYPE } from '@/utils/dict'
import { FieldPermissionType } from '@/components/bpmnProcessDesigner/src/consts'
import { setFormConfAndFields } from '@/utils/formCreate'
import { registerComponent } from '@/utils/routerHelper'
import { s_file_url } from '@/utils/lizard'
import ProcessInstanceTimeline from './ProcessInstanceTimeline.vue'
import ProcessInstanceBpmnViewer from './ProcessInstanceBpmnViewer.vue'
import ProcessInstanceTaskList from './ProcessInstanceTaskList.vue'
import ProcessInstanceOperationButton from './ProcessInstanceOperationButton.vue'

defineOptions({ name: 'BpmProcessInstanceDetail' })

const props = defineProps<{
  id: string // 流程实例的编号
  taskId?: string // 任务编号
  activityId?: string //流程活动编号，用于抄送查看
}>()

const { bpm_process_instance_status } = useIntDict(DICT_TYPE.bpm_process_instance_status)

const message = useMessage() // 消息弹窗
const processInstanceLoading = ref(false) // 流程实例的加载中
const processInstance = ref<ProcessInstanceVO>({} as any) // 流程实例
const processDefinition = ref<ProcessDefinitionInfoVO>({} as any) // 流程定义
const processModelView = ref<any>({}) // 流程模型视图
const operationButtonRef = ref() // 操作按钮组件 ref
const userOptions = ref<StaffApi.StaffVO[]>([]) // 用户列表
const auditIconsMap = {
  [TaskStatusEnum.RUNNING]: runningSvg,
  [TaskStatusEnum.APPROVE]: approveSvg,
  [TaskStatusEnum.REJECT]: rejectSvg,
  [TaskStatusEnum.CANCEL]: cancelSvg
}

const fApi = ref<Api>()
const detailForm = ref({
  rule: [],
  option: {},
  value: {}
}) // 流程实例的表单详情

const writableFields: Array<string> = [] // 表单可以编辑的字段

const activeTab = ref('form') // 当前的 Tab
const activityNodes = ref<ApprovalNodeInfo[]>([]) // 审批节点信息

const getDetail = async () => {
  // 获得审批详情
  await getApprovalDetail()
  // 获得流程模型视图
  await getProcessModelView()
}

/** 加载流程业务表单组件实例 */
const BusinessFormComponent = ref<any>(null) // 异步组件
/** 获取审批详情 */
const getApprovalDetail = async () => {
  processInstanceLoading.value = true
  try {
    const data: ApprovalDetail = await ProcessInstanceApi.getApprovalDetail({
      processInstanceId: props.id,
      activityId: props.activityId, // 抄送列表进入时，传递抄送的activityId，获取抄送人的表单权限
      taskId: props.taskId // 任务列表进入，获取待办任务信息
    })

    if (!data) {
      message.error('查询不到审批详情信息！')
      return
    }

    if (!data.processDefinition || !data.processInstance) {
      message.error('查询不到流程信息！')
      return
    }

    processInstance.value = data.processInstance
    processDefinition.value = data.processDefinition

    // 设置表单信息
    if (processDefinition.value.formType === BpmModelFormTypeEnum.Normal) {
      // 获取表单字段权限
      const formFieldsPermission = data.formFieldsPermission
      // 清空可编辑字段为空
      writableFields.splice(0)
      if (detailForm.value.rule?.length > 0) {
        // 避免刷新 form-create 显示不了
        detailForm.value.value = processInstance.value.formVariables
      } else {
        setFormConfAndFields(
          detailForm,
          processDefinition.value.formConf,
          processDefinition.value.formFields,
          true,
          false,
          processInstance.value.formVariables
        )
      }
      nextTick().then(() => {
        //@ts-ignore
        fApi.value?.disabled(true)
        // 设置表单字段权限
        if (formFieldsPermission) {
          Object.keys(data.formFieldsPermission).forEach((item) => {
            setFieldPermission(item, formFieldsPermission[item])
          })
        }
      })
    } else {
      BusinessFormComponent.value = registerComponent(data.processDefinition.formCustomViewPath)
    }
    // 获取审批节点，显示 Timeline 的数据
    activityNodes.value = data.activityNodes
    // 获取待办任务显示操作按钮
    operationButtonRef.value?.loadTodoTask(data.todoTask)
  } finally {
    processInstanceLoading.value = false
  }
}

/** 获取流程模型视图*/
const getProcessModelView = async () => {
  if (processDefinition.value.type === BpmModelTypeEnum.Bpmn) {
    // 重置，解决bpmn流程图刷新不会重新渲染的问题
    processModelView.value = {
      bpmnXml: ''
    }
  }
  const data = await ProcessInstanceApi.getProcessInstanceBpmnModelView(props.id)
  if (data) {
    processModelView.value = data
  }
}

/**
 * 设置表单权限
 */
const setFieldPermission = (field: string, permission: string) => {
  if (permission === FieldPermissionType.READ) {
    //@ts-ignore
    fApi.value?.disabled(true, field)
  }
  if (permission === FieldPermissionType.WRITE) {
    //@ts-ignore
    fApi.value?.disabled(false, field)
    // 加入可以编辑的字段
    writableFields.push(field)
  }
  if (permission === FieldPermissionType.NONE) {
    //@ts-ignore
    fApi.value?.hidden(true, field)
  }
}

const refresh = () => {
  // 重新获取详情
  getDetail()
}

onMounted(async () => {
  await getDetail()
  userOptions.value = await StaffApi.getStaffSimpleList()
})
</script>

<style scoped lang="scss">
$wrap-padding-height: 20px;
$wrap-margin-height: 15px;
$button-height: 51px;
$process-header-height: 194px;

.processInstance-wrap-main {
  height: calc(
    100vh - var(--top-tool-height) - var(--tags-view-height) - var(--app-content-padding) - var(
        --app-footer-height
      ) -
      18px
  );
  max-height: calc(
    100vh - var(--top-tool-height) - var(--tags-view-height) - var(--app-content-padding) - var(
        --app-footer-height
      ) -
      18px
  );
  overflow: auto;

  .form-scroll-area {
    display: flex;
    height: calc(
      100vh - var(--top-tool-height) - var(--tags-view-height) - var(--app-content-padding) - var(
          --app-footer-height
        ) -
        18px - $process-header-height - 40px
    );
    max-height: calc(
      100vh - var(--top-tool-height) - var(--tags-view-height) - var(--app-content-padding) - var(
          --app-footer-height
        ) -
        18px - $process-header-height - 40px
    );
    overflow: auto;
    flex-direction: column;

    :deep(.box-card) {
      height: 100%;
      flex: 1;

      .el-card__body {
        height: 100%;
        padding: 0;
      }
    }
  }
}

.form-box {
  :deep(.el-card) {
    border: none;
  }
}
</style>
